css/css-flexbox/flex-direction-with-element-insert.html

<!DOCTYPE html>
<html>
<head>
<title>CSS Test: flex flow direction</title>
<link rel="author" title="houzhenyu" href="http://www.github.com/sskyy" />
<link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#flex-direction">
<link rel="match" href="reference/flex-direction-with-element-insert.html">
<meta name="assert" content="The flex items inserted by script shuould follow the right direction what the flex-direction property directives." />
<style>
    .flex-container{
        display: flex;
        margin:20px;
        background: #333;
    }
    .flex-item{
        width:50px;
        height:50px;
        margin:20px;
        background: #eee;
        line-height: 50px;
        text-align: center;
    }


    .flex-container.flex-direction-row{
        flex-direction : row;
    }

    .flex-container.flex-direction-row-reverse{
        flex-direction : row-reverse;
    }

    .flex-container.flex-direction-column{
        flex-direction : column;
    }
    .flex-container.flex-direction-column-reverse{
        flex-direction : column-reverse;
    }
</style>
</head>
<body>
    <h1>flex-direction:row</h1>
    <div id="flex-direction-row" class="flex-container flex-direction-row"><div class="flex-item">1</div><div class="flex-item">2</div><div class="flex-item">3</div></div>

    <h1>flex-direction:row-reverse</h1>
    <div id="flex-direction-row-reverse"  class="flex-container flex-direction-row-reverse"><div class="flex-item">1</div><div class="flex-item">2</div><div class="flex-item">3</div></div>

    <h1>flex-direction:column</h1>
    <div id="flex-direction-column"  class="flex-container flex-direction-column"><div class="flex-item">1</div><div class="flex-item">2</div><div class="flex-item">3</div></div>

    <h1>flex-direction:column-reverse</h1>
    <div id="flex-direction-column-reverse"  class="flex-container flex-direction-column-reverse"><div class="flex-item">1</div><div class="flex-item">2</div><div class="flex-item">3</div></div>


    <script>
        var ids = ['flex-direction-row',
            'flex-direction-row-reverse',
            'flex-direction-column',
            'flex-direction-column-reverse'];

        for( var i in ids ){
            var new_element = document.createElement("div")
            new_element.className="flex-item";
            new_element.innerHTML="new";
            var container = document.getElementById( ids[i] );
            container.appendChild( new_element );
        }
    </script>
</body>
</html>